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11 Dec 2019
A resistor with resistance R and an air-gap capacitor of capacitance C are connected in series to a battery (whose strength is "emf").
(a) What is the final charge on the positive plate of the capacitor? (Use the following as necessary: C, emf.)
Q =
(b) After fully charging the capacitor (so there is no current), a sheet of plastic whose dielectric constant is K is inserted into the capacitor and fills the gap. Explain why a current starts running in the circuit.
A resistor with resistance R and an air-gap capacitor of capacitance C are connected in series to a battery (whose strength is "emf").
(a) What is the final charge on the positive plate of the capacitor? (Use the following as necessary: C, emf.)
Q =
(b) After fully charging the capacitor (so there is no current), a sheet of plastic whose dielectric constant is K is inserted into the capacitor and fills the gap. Explain why a current starts running in the circuit.
Ankit LalLv10
31 Jan 2021
